<template>
  <!-- 背景盒子 -->
  <div class="reg-bg">
    <!-- 注册盒子 -->
    <div class="reg-box">
      <!-- 标题盒子 -->
      <div class="title-box"></div>
      <!-- 注册表单 -->
      <el-form :model="regForm" :rules="regFormRules" ref="regFormRef">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="regForm.username" prefix-icon="el-icon-user" placeholder="请输入用户名"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input v-model="regForm.password" prefix-icon="el-icon-lock" placeholder="请输入密码"></el-input>
        </el-form-item>
        <!-- 确认密码 -->
        <el-form-item prop="repassword">
          <el-input v-model="regForm.repassword" prefix-icon="el-icon-lock" placeholder="请确认密码"></el-input>
        </el-form-item>
        <!-- 注册按钮 -->
        <el-button type="primary" class="btn-reg" @click="regUser">注册</el-button>
        <el-link type="info" @click="$router.push('/login')">去登录</el-link>
      </el-form>
    </div>
  </div>
</template>

<script>
import { regAPI } from '@/api/user.js'
export default {
  name: 'Reg',
  data() {
    const samePwd = (rule, value, callback) => {
      if (value !== this.regForm.password) {
        callback(new Error('两次密码必须一致'))
      } else {
        callback()
      }
    }
    return {
      regForm: {
        username: '',
        password: '',
        repassword: ''
      },
      regFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { pattern: /^[a-zA-Z0-9]{1,10}$/, message: '用户名必须是1-10位字母数字', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码必须是6-15位非空字符串', trigger: 'blur' }
        ],
        repassword: [
          { required: true, message: '请确认密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码必须是6-15位非空字符串', trigger: 'blur' },
          { validator: samePwd, trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    regUser() {
      this.$refs.regFormRef.validate(async item => {
        if (!item) return
        const { data: res } = await regAPI(this.regForm)
        if (res.code !== 0) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.$router.push('/login')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.reg-bg {
  height: 100%;
  background: url('../assets/images/login_bg.jpg') center no-repeat;
  background-size: cover;
}
.reg-box {
  width: 400px;
  height: 350px;
  background-color: #fff;
  border-radius: 10px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 0 30px;
}
.title-box {
  width: 100%;
  height: 60px;
  background: url('../assets/images/login_title.png') center no-repeat;
}
.btn-reg {
  width: 100%;
}
</style>
